Batman: the Brave and the Bold Wiki
Steve Blum

Steven Jay "Steve" Blum (Born April 28, 1960) is an American voice actor who is known for his extensive voice work in anime and video games.

He was awarded a Guiness World record for being the "most prolific video game voice actor" and is considered by many fans as "the king of anime".

He voices Heat Wave and Captain Cold in Batman: The Brave and the Bold.